4547432320 has 128 divisors (see below), whose sum is σ = 11208780000. Its totient is φ = 1763155968.

The previous prime is 4547432291. The next prime is 4547432339. The reversal of 4547432320 is 232347454.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4099926 + ... + 4101034.

Almost surely, 2^4547432320 is an apocalyptic number.

4547432320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4547432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5604390000).

4547432320 is an abundant number, since it is smaller than the sum of its proper divisors (6661347680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4547432320 is a wasteful number, since it uses less digits than its factorization.

4547432320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 34.

The square root of 4547432320 is about 67434.6522197601. The cubic root of 4547432320 is about 1656.7440315347.

Adding to 4547432320 its reverse (232347454), we get a palindrome (4779779774).

The spelling of 4547432320 in words is "four billion, five hundred forty-seven million, four hundred thirty-two thousand, three hundred twenty".